KR102616714B1 - 광학 흐름 정제를 위한 조기 종료 - Google Patents
광학 흐름 정제를 위한 조기 종료 Download PDFInfo
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- KR102616714B1 KR102616714B1 KR1020217026337A KR20217026337A KR102616714B1 KR 102616714 B1 KR102616714 B1 KR 102616714B1 KR 1020217026337 A KR1020217026337 A KR 1020217026337A KR 20217026337 A KR20217026337 A KR 20217026337A KR 102616714 B1 KR102616714 B1 KR 102616714B1
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- prediction
- motion vector
- block
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- optical flow
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/557—Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020237043656A KR20240000638A (ko) | 2019-02-22 | 2020-02-21 | 광학 흐름 정제를 위한 조기 종료 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN201931007114 | 2019-02-22 | ||
| IN201931007114 | 2019-02-22 | ||
| PCT/CN2020/076178 WO2020169083A1 (en) | 2019-02-22 | 2020-02-21 | Early termination for optical flow refinement |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237043656A Division KR20240000638A (ko) | 2019-02-22 | 2020-02-21 | 광학 흐름 정제를 위한 조기 종료 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20210113384A KR20210113384A (ko) | 2021-09-15 |
| KR102616714B1 true KR102616714B1 (ko) | 2023-12-20 |
Family
ID=72144773
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237043656A KR20240000638A (ko) | 2019-02-22 | 2020-02-21 | 광학 흐름 정제를 위한 조기 종료 |
| KR1020217026337A KR102616714B1 (ko) | 2019-02-22 | 2020-02-21 | 광학 흐름 정제를 위한 조기 종료 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237043656A KR20240000638A (ko) | 2019-02-22 | 2020-02-21 | 광학 흐름 정제를 위한 조기 종료 |
Country Status (17)
| Country | Link |
|---|---|
| EP (2) | EP4243418A3 (es) |
| JP (2) | JP7271697B2 (es) |
| KR (2) | KR20240000638A (es) |
| CN (2) | CN113383550A (es) |
| AU (1) | AU2020226553A1 (es) |
| BR (1) | BR112021016270A2 (es) |
| CA (1) | CA3128112A1 (es) |
| DK (1) | DK3912352T3 (es) |
| ES (1) | ES2965083T3 (es) |
| FI (1) | FI3912352T3 (es) |
| HU (1) | HUE063469T2 (es) |
| MX (1) | MX2021009931A (es) |
| PL (1) | PL3912352T3 (es) |
| PT (1) | PT3912352T (es) |
| SG (1) | SG11202107970QA (es) |
| WO (1) | WO2020169083A1 (es) |
| ZA (1) | ZA202106944B (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023277755A1 (en) * | 2021-06-30 | 2023-01-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Selective subblock-based motion refinement |
| WO2023277756A1 (en) * | 2021-06-30 | 2023-01-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Overlapped decoder side motion refinement |
| WO2023193769A1 (en) * | 2022-04-06 | 2023-10-12 | Mediatek Inc. | Implicit multi-pass decoder-side motion vector refinement |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076333A1 (en) * | 2002-10-22 | 2004-04-22 | Huipin Zhang | Adaptive interpolation filter system for motion compensated predictive video coding |
| WO2019010156A1 (en) * | 2017-07-03 | 2019-01-10 | Vid Scale, Inc. | MOTION COMPENSATION PREDICTION BASED ON A BIDIRECTIONAL OPTICAL FLOW |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10127644B2 (en) * | 2015-04-10 | 2018-11-13 | Apple Inc. | Generating synthetic video frames using optical flow |
| EP3340620A4 (en) * | 2015-08-23 | 2019-04-17 | LG Electronics Inc. | IMAGE PROCESSING METHOD BASED ON INTER-PREDICTION MODE AND APPARATUS THEREOF |
| WO2017036414A1 (en) * | 2015-09-02 | 2017-03-09 | Mediatek Inc. | Method and apparatus of decoder side motion derivation for video coding |
| WO2017036399A1 (en) * | 2015-09-02 | 2017-03-09 | Mediatek Inc. | Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques |
| EP4138392A1 (en) * | 2016-02-05 | 2023-02-22 | HFI Innovation Inc. | Method and apparatus of motion compensation based on bi-directional optical flow techniques for video coding |
| US20180199057A1 (en) * | 2017-01-12 | 2018-07-12 | Mediatek Inc. | Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding |
| WO2018173895A1 (ja) * | 2017-03-21 | 2018-09-27 | シャープ株式会社 | 予測画像生成装置、動画像復号装置、および動画像符号化装置 |
| WO2019001741A1 (en) * | 2017-06-30 | 2019-01-03 | Huawei Technologies Co., Ltd. | MOTION VECTOR REFINEMENT FOR MULTI-REFERENCE PREDICTION |
-
2020
- 2020-02-21 SG SG11202107970QA patent/SG11202107970QA/en unknown
- 2020-02-21 FI FIEP20759812.9T patent/FI3912352T3/fi active
- 2020-02-21 CN CN202080012432.8A patent/CN113383550A/zh active Pending
- 2020-02-21 CN CN202210411178.XA patent/CN114845102B/zh active Active
- 2020-02-21 WO PCT/CN2020/076178 patent/WO2020169083A1/en unknown
- 2020-02-21 EP EP23184185.9A patent/EP4243418A3/en active Pending
- 2020-02-21 PT PT207598129T patent/PT3912352T/pt unknown
- 2020-02-21 MX MX2021009931A patent/MX2021009931A/es unknown
- 2020-02-21 AU AU2020226553A patent/AU2020226553A1/en active Pending
- 2020-02-21 KR KR1020237043656A patent/KR20240000638A/ko not_active Application Discontinuation
- 2020-02-21 JP JP2021549390A patent/JP7271697B2/ja active Active
- 2020-02-21 BR BR112021016270-4A patent/BR112021016270A2/pt unknown
- 2020-02-21 KR KR1020217026337A patent/KR102616714B1/ko active IP Right Grant
- 2020-02-21 ES ES20759812T patent/ES2965083T3/es active Active
- 2020-02-21 DK DK20759812.9T patent/DK3912352T3/da active
- 2020-02-21 CA CA3128112A patent/CA3128112A1/en active Pending
- 2020-02-21 HU HUE20759812A patent/HUE063469T2/hu unknown
- 2020-02-21 PL PL20759812.9T patent/PL3912352T3/pl unknown
- 2020-02-21 EP EP20759812.9A patent/EP3912352B1/en active Active
-
2021
- 2021-09-17 ZA ZA2021/06944A patent/ZA202106944B/en unknown
-
2023
- 2023-04-25 JP JP2023071739A patent/JP2023099561A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076333A1 (en) * | 2002-10-22 | 2004-04-22 | Huipin Zhang | Adaptive interpolation filter system for motion compensated predictive video coding |
| WO2019010156A1 (en) * | 2017-07-03 | 2019-01-10 | Vid Scale, Inc. | MOTION COMPENSATION PREDICTION BASED ON A BIDIRECTIONAL OPTICAL FLOW |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020169083A1 (en) | 2020-08-27 |
| PL3912352T3 (pl) | 2024-02-26 |
| ZA202106944B (en) | 2022-09-28 |
| DK3912352T3 (da) | 2023-11-20 |
| EP3912352B1 (en) | 2023-09-06 |
| AU2020226553A1 (en) | 2021-08-19 |
| US20210392334A1 (en) | 2021-12-16 |
| JP2023099561A (ja) | 2023-07-13 |
| PT3912352T (pt) | 2023-11-21 |
| FI3912352T3 (fi) | 2023-11-30 |
| CA3128112A1 (en) | 2020-08-27 |
| BR112021016270A2 (pt) | 2021-10-13 |
| ES2965083T3 (es) | 2024-04-10 |
| EP4243418A3 (en) | 2023-10-25 |
| EP4243418A2 (en) | 2023-09-13 |
| CN114845102A (zh) | 2022-08-02 |
| JP2022521748A (ja) | 2022-04-12 |
| JP7271697B2 (ja) | 2023-05-11 |
| CN114845102B (zh) | 2023-07-07 |
| CN113383550A (zh) | 2021-09-10 |
| EP3912352A4 (en) | 2022-04-20 |
| MX2021009931A (es) | 2021-09-21 |
| HUE063469T2 (hu) | 2024-01-28 |
| KR20240000638A (ko) | 2024-01-02 |
| KR20210113384A (ko) | 2021-09-15 |
| SG11202107970QA (en) | 2021-08-30 |
| EP3912352A1 (en) | 2021-11-24 |
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